Answer:
See below
Step-by-step explanation:

The answer would be D) no, these triangles are not similar. I'm pretty sure they would be similar if one of the answer choices said ΔABC ~ ΔCED
5/5=1, 1/2=0.5, After you divide the fractions you then only have to divide the numbers. 1/0.5=2
For this case, what we must do is calculate the speed of the runner.
We have then that the speed is given by:

Where,
d: distance
t: time
Substituting values we have:


Answer:
the runners unit rate is:
